Yup, she's got the pacifier and dust mask- two essential bits of raver gear. Being that it's all swiped from her sister's closet, I'm not sure she knows their E-related significance. She's also got some glow sticks on her leg- though they're not really visible in the panels we've seen so far.

And yeah, the clock hat's supposed to be a beret inspired by Dali's painting of the sagging clocks- like some sort of tacky merchandise you'd find in an art museum gift shop.